package me.lxw.blogsystem.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

/**
 * 此过滤器用来解决全站中文乱码问题
 * 
 * @author 梁兴威
 *
 */
@WebFilter("*.do")
public class CharacterEncodingFilter implements Filter {

	@Override
	public void destroy() {
		// TODO Auto-generated method stub

	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		System.out.println("执行CharacterEncodingFilter过滤器 >>>>>>>>>>>>>>>>>>>>>>>>>>");
		// 中文乱码 ，请求参数、响应数据乱码
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		response.setContentType("text/html;charset=UTF-8");
		chain.doFilter(request, response);

	}

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO Auto-generated method stub

	}

}
